Samsung MIM-B19N User manual

Airconditioner
Installationmanual
Modbus Interface Module MIM-B19N / MIM-B19NT
࡙Thank you forpurchasing this Samsung product.
࡙Before operating this unit, please read this Installation manual carefullyand retain it forfuture
reference.
DB68-07538A-03

2
English
Contents
SafetyInformation 3
SafetyInformation 3
Installation 5
Installing the Modbus Interface Module 5
Modbus interface module 5
About Modbus Interface module 8
Communication sequence 9
Checking Operation 11
økUʒʀɇϩͱ࡙ߨࣗƊkđkĘƟʒʀɇϩͱ࡙Ęͱϩʪϑͱϩʪθ˙ɇʀʪͱʒЇʪϑϩɇɇϩͱ ߢߢ
Ɗʪϩϩ˝ϩ˵ʪɇʒʒθʪϑϑЇϑ˝ϩ˵ʪUÃťɇʒθͱϩɇθцϑиϩʀ˵ʪϑ ߢߣ
Modbus RegisterTable 13
Adding NewModbus Register 17
ʒʒ˝ͱЇϩʒͱͱθЇϩ˙Їʀϩͱϑ࡙ ߢߨ
Adding indoorunit, HE/HT, AHU Kit, ERV, ERV+, Chiller, FCU and/orFCU Kit functions
Ɵ˵ʪͱиʪϑϩϑʪϩϩʪΧʪθɇϩЇθʪϑϩʪʒϩͱߣߡʒʪ˝θʪʪϩ˵ʪƸkɇʀʀͱθʒ˝ϩͱƸkࢋƊߦߡߢߡࣗߦࡠߣߡߢߧࢋ

3
English
SafetyInformation
This installation manual explains howto install a Modbus interface module that connects both the outdoorunit and the
ventilation system ofthe Samsung airconditionerto the Modbus system. Please read this manual thoroughlybefore installing
the product. (Please referto an appropriate installation manual forany optional product installation.)
WARNING
Hazards orunsafe practices that may result in severe personal injuryordeath.
CAUTION
Hazards orunsafe practices that may result in minor personal injuryor propertydamage.
Must followdirections.
UͱĘĮƟɇϩϩʪΧϩࢋ
Make sure the machine is grounded to prevent electric shock.
Unplug the powerplug from thewall socket.
UͱĘĮƟʒϑɇϑϑʪɵʪࢋ
FORINSTALLATION
WARNING
Contacta servicecenterforinstallation.
࡙Failure to do so mayresult in product malfunction,waterleakage, electric shock and fire.
Youmust usethe suppliedwireforinstallation.
࡙Failure to do so mayresult in fire ordamage to an Modbus interface module.
Allelectricworksshouldcomplywith localregulationsand installationwork carriedout bya qualifiedtechnician.
࡙Installation byan unqualified technician mayresult in product malfunction, electric shock, and fire.
Checkwhethertheinstallationworkis performedinaccordancewith the installation instructions.
࡙Incorrect installation of an Modbus interface module mayresult in electric shock orfire.
SafetyInformation

SafetyInformation
4English
SafetyInformation
FORINSTALLATION
CAUTION
Whenconnecting awire,do nottighten it toomuch.
࡙Failure to do so mayresult in breakage of thewire.
Make sure theModbus interface moduleinstallation doesn't cause interferencewith otherelectrical appliances,
particularlyin ahospital etc.
࡙Failure to do so mayresult in abnormal operation.
Do notinstall theproductin anareawherecombustiblegas leaks orpossiblegas leakageis expected.
࡙Failure to do so mayresult in breakage of thewire.
Donot installtheproduct in conditionswhereitis exposedtooil, steametc.
࡙Use of the product in an area exposed to oil, steam, sulfuric acid gas etc mayresult in component damage orproduct
malfunction.
Donot installtheproduct ina placewhereacid oralkali liquid orspecial sprays are used.
࡙Failureto do so mayresult in electric shock orabnormal operation.
FOROPERATION
WARNING
Do notremodel orrepairthe Modbusinterfacemoduleyourself.
࡙Failure to do so mayresult in product malfunction, electric shock and fire, so contact a service centerforrepair.
Whendisposing ofan Modbusinterfacemodule,contact aservice center.
Do notmove orreinstallaninstalled Modbusinterfacemoduleyourself.
࡙Failure to do so mayresult in electric shock orfire.
FOROPERATION
CAUTION
Make surethatwaterdoes notpermeate insidetheModbus interfacemodule.
࡙Failure to do so mayresult in electric shock orfire.
Do notconnect powercabletothe controlcableterminal.
࡙Failure to do so mayresult in fire.

5
English
Installation
Modbusinterfacemodule
Productand components
Name Interfacemodule DC powercable
(12V) Communication cable Case Cable tie
Shape
CN4
CN3
RED CN2 BLK
Connectingthe Modbus interface moduletotheDVM
1 Afterattaching a case to the side of the outdoorunit’s electric equipment section, install the Modbus Interface
Module.
2 Connect the powercable and communication cable ofthe Modbus Interface Module.
࡙ When a Modbus interface module is installed,you can perform a centralised control of all indoorunits connected to an
outdoorunit.
R1 R2
CN12
CN4
CN3
RED CN2 BLK
UAߢߣǤ ĮЇϩʒͱͱθЇϩϑЇɵɵͱɇθʒ
ĮЇϩʒͱͱθЇϩɇɵͱɇθʒ
Modbus Interface Module
Modbus system
A
B
InstallingtheModbusInterfaceModule

InstallingtheModbusInterfaceModule
6English
Installation
CAUTION
࡙ You should switch offthe powersupply and disconnect the powercable.
(Abnormal operation of the product mayoccurdue to the electric problem.)
3 Set the address of the Modbus interface module.
࡙ Ɵ˵ʪɇʒʒθʪϑϑʪϑͱ˙ɇđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪϑЇϑϩɵʪʒ˙˙ʪθʪϩʪɇʀ˵ͱϩ˵ʪθࢋ࣍Ɗʪϩϩ˝θɇ˝ʪࡠߢϩͱߣߥߨ࣎
࡙ đɇʪϑЇθʪϩ˵ɇϩϩ˵ʪʒͱͱθЇϩɇʒʒθʪϑϑʪϑɇθʪϩ˵ʪθɇ˝ʪߡϩͱߥߨࢋ
ࣚ Ã˙цͱЇϑʪϩɇͱЇϩࣗͱ˙ࣗθɇ˝ʪɇʒʒθʪϑϑࡡϩϑͱϩθʪʀͱ˝іʪʒɇʒϩ˵ʪϩθɇʀ˝ʪθθͱθ࣍kߧߡߥ࣎ͱʀʀЇθϑࢋ
࡙ Afterchanging the indoorunit settings (address, 'Use of central control' option), the interface module must be reset.
࡙ Ǯ˵ʪʀͱʪʀϩ˝ɇߥߩߦʀͱЇʀɇϩͱʀɇɵʪɵʪϩиʪʪϩ˵ʪđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪɇʒϩ˵ʪ9đƊࡡɵʪϑЇθʪϩͱɇϩʀ˵ϩ˵ʪ
polarity. If the polaritydoes not match, communication is impossible.
4 Set the 'Use of central control' option forindoor units.
࡙ Aʪϩθɇϑʪʒʀͱϩθͱɇʒͱϩͱθ˝ͱ˙ʒͱͱθЇϩϑɇθʪɇЭɇɇɵʪͱци˵ʪϩ˵ʪθ࢑Ƹϑʪͱ˙ʀʪϩθɇʀͱϩθͱ࢑ͱΧϩͱϑ࣍Ɗkߦ࣎ɇθʪ
ϑʪϩϩͱ࢑Ƹϑʪ࣍ߢ࣎࢑ࢋ
࡙ Ã˙ϩ˵ʪ࢑Ƹϑʪͱ˙ʀʪϩθɇʀͱϩθͱ࢑ͱΧϩͱϑ࣍Ɗkߦ࣎ͱ˙ɇʒͱͱθЇϩϑɇθʪϑʪϩϩͱ࢑UϑЇϑʪ࣍ߡ࣎࢑ࡡϩ˵ʪϩθɇʀ˝ʪθθͱθ࣍kߧߡߥ࣎ͱʀʀЇθϑࢋ
CAUTION
࡙ 9ͱϩ˵ʒϑϩɇʀʪϑ˙θͱϩ˵ʪđͱʒɵЇϑɇϑϩʪθϩͱϩ˵ʪ˙θϑϩɇʒɇϑϩđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪϑЇϑϩɵʪиϩ˵ߢߡߡߡࢋ
࡙ You should switch offthe powersupply before installation.
࡙ The wiring should be installed in accordance with electricwiring regulations and should be placed inside thewall so that
users cannot touch them.

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Installation
ExampleofModbus interfacemoduleinstallation
ǽͱЇʀɇʀͱʪʀϩЇΧϩͱߥͱЇϩʒͱͱθЇϩϑ࣍ߢɇࡡߤϑЇɵϑ࣎ɇʒߥߩʒͱͱθЇϩϑϩͱʪɇʀ˵đͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪࢋ
CN4
CN3
RED CN2 BLK
CN4
CN3
RED CN2 BLK
ߢߣǤࣗĘU
ߢߣǤࣗĘU
ŵߢࣗŵߣ
ŵߢࣗŵߣ
ߢࣗߣ
ߢࣗߣ
Modbus RTU
࣍ŵƊߥߩߦࡡࣗ9࣎
Modbus Master

InstallingtheModbusInterfaceModule
8English
Installation
AboutModbusInterfacemodule
Specifications
Unit connection
protocol ƊɇϑЇ˝Aͱϩθͱøɇцʪθťθͱϩͱʀͱ࣍ŵߢࢥŵߣ࣎
Maximum numberof
connectableunits ߢͱЇϩʒͱͱθЇϩ࣍ߥͱЇϩʒͱͱθЇϩϑʀЇʒ˝ϑЇɵЇϩϑϩ˵ʪʀɇϑʪͱ˙ͱʒЇɇθ
ϑϩɇɇϩͱ࣎ɇʒߥߩʒͱͱθЇϩϑ
Modbus interface
module address
range ߢϩͱߣߥߨ
BMSunit protocol đͱʒɵЇϑŵƊߥߩߦ࣍ߣиθʪϑࡡɇуࢋߢߡߡߡ࣎
operating
temperaturerange ࣗߢߡϩͱߦߡঐ
Power UAߢߣǤ
Modbus
communication
Communication
protocol đͱʒɵЇϑŵƟƸkÃߥߩߦ
Devicetype Slave
Byte order
Big endian.
kЭʪθцΧͱϩ࢒ϑЭɇЇʪϑʪʀͱʒʪʒߣɵцϩʪθʪ˝ϑϩʪθϑ
࣍ʪЭʪ˙ϩϑΧͱϑϑɵʪЭɇЇʪϑɇθʪߡɇʒߢ࣎ࢋkɇʀ˵ЭɇЇʪϑʪуΧθʪϑϑʪʒđƊ9ࢋ
LSB format (big endian).
Settings
࡙9ɇЇʒθɇϩʪࡠߪߧߡߡɵΧϑ
࡙Uɇϩɇɵϩϑࡠߩ
࡙ƊϩͱΧɵϩࡠߢ
࡙ťɇθϩцࡠkЭʪ
Supported Modbus
functioncodes
ŵʪɇʒ˙Їʀϩͱϑࡠ
࡙ߤθʪɇʒ˵ͱʒ˝θʪ˝ϑϩʪθϑ
࡙ߥθʪɇʒΧЇϩθʪ˝ϑϩʪθϑ
Ǯθϩʪ˙Їʀϩͱϑࡠ
࡙ߧиθϩʪϑ˝ʪθʪ˝ϑϩʪθϑ
࡙ߢߧиθϩʪЇϩΧʪ˵ͱʒ˝θʪ˝ϑϩʪθϑ
࢘Įϩ˵ʪθ˙Їʀϩͱʀͱʒʪϑɇθʪϩθʪɇϩʪʒɇϑʪ˝ɇ˙ЇʀϩͱϑɇʒθʪϩЇθɇ
exception response.
࢘Ã˙ΧͱθʪʀͱθʒϑɇθʪЇϑʪʒϩͱθʪɇʒࢥиθϩʪЇϩΧʪθʪʀͱθʒϑࡡϩ˵ʪθɇ˝ʪͱ˙
addresses requested must containvalid addresses, otherwise the
corresponding Modbus error code is responded.

9
English
Installation
Communication sequence
SystemInitialization
࡙ At start-up, all registers havethe value 0.
࡙ Ǯ˵ʪϩ˵ʪϩθɇʀ˝ͱ˙ϩ˵ʪđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪϑʀͱΧʪϩʪʒࡡɵϩϑߡϩͱߣͱ˙ϩ˵ʪʀͱЇʀɇϩͱϑϩɇϩЇϑθʪ˝ϑϩʪθ࣍θʪ˝ϑϩʪθ
ߢ࣎˙ͱθʪɇʀ˵ʒͱͱθЇϩɇθʪЇΧʒɇϩʪʒϩͱߢࢋ
࡙ Ã˙ɇɵϩϑߡϩͱߣͱ˙θʪ˝ϑϩʪθߢɇθʪߢʪЭʪ˙ͱθͱʪʒͱͱθЇϩࡡϩʪɇϑϩ˵ɇϩϩ˵ʪϩθɇʀ˝ͱ˙ɇʒͱͱθɇʒͱЇϩʒͱͱθЇϩϑ˵ɇϑ
been completed, andthat all indoorand outdoorregistervalues have been updated.
࡙ If bit 0 of the communication status registerforan indoorunit is 0, it means thatthis indoorunit is not connected.
࡙ Afterthe poweris turned on, the BMS periodicallyreadsthe communication status registervalues of indoor units. Then, if
ɇʒͱͱθЇϩиϩ˵ɇɵϩϑߡϩͱߣͱ˙ϩ˵ʪθʪ˝ϑϩʪθϑʪϩϩͱߢϑ˙ͱЇʒࡡʀͱϩθͱɇʒͱϩͱθ˝ɇθʪɇЭɇɇɵʪ˙ͱθϩ˵ʪ˙ͱЇʒʒͱͱθ
unit from that time.
࡙ Ɵ˵ʪ9đƊʀɇͱцʀͱϩθͱϩ˵ʪʒͱͱθЇϩϑиϩ˵ɇɵϩϑߡϩͱߣͱ˙ϩ˵ʪʀͱЇʀɇϩͱϑϩɇϩЇϑθʪ˝ϑϩʪθ˙ͱθϩ˵ʪʒͱͱθЇϩϑʪϩϩͱߢࢋ
Monitorand operateunitsfromtheBMS
࡙ When the BMSwrites avalue tothe holding register, a control command is sent tothe relevant indoorunit.
࡙ The holding registervalue foran indoorunit is not updated until a changed status value is received from that indoorunit.
࡙ Because the usermight be able to operate indoorunits with a remote control, the BMS must reads their status periodically.
࡙ If communication between an indoor/outdoorunit and the Modbus interface module is stopped, the last statusvalue is
retained until communication is resumed.
Modbus
interface module
Communication status
(51 bits 0 to 2): 0 (Not Ready)
Check
communication
status.
Monitoring
&
control
Poweron
Communication status
(51 bits 0 to 2) : 7 (Ready)
Indoorunit
BMS
Poweron
Check communication status (51).
Response: 0 (Not Ready)
Tracking
Response: Status
Change a value.
Response: Status
Check communication status (51).
Response: 7 (Ready)
Check indoorstatus
(input & holding registers).
Response: Status
Change a value inthe holding registers.
Response
Check indoorstatus
(input & holding registers).
Response: Status

InstallingtheModbusInterfaceModule
10 English
Installation
CAUTION
࡙ Ęͱϩʪϩ˵ɇϩи˵ʪϩ˵ʪǮθϩʪƊ˝ʪŵʪ˝ϑϩʪθͱθǮθϩʪđЇϩΧʪŵʪ˝ϑϩʪθϑʀͱɇʒϑθʪʀʪЭʪʒ˙ͱθɇ˵ͱʒ˝θʪ˝ϑϩʪθϑ࣍ϑʪʪ
ƟɇɵʪߣࢋđͱʒɵЇϑŵʪ˝ϑϩʪθƟɇɵʪ࣎˙θͱϩ˵ʪđͱʒɵЇϑɇϑϩʪθࡡϩ˵ʪđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪ࣍đÃđࣗ9ߢߪĘࢥđÃđࣗ9ߢߪĘƟ࣎ɇиɇцϑ
sends a control commandto the indoorunits. Therefore, be sureto send a command tothe Modbus masteronlywhen
control (operation on/off, temperature setting, etc.) is required.
࡙If an identical command is issued consecutively, the same command is repeatedlysent to the indoorunits.
To check whetherthe write command operates normally, send a write commandto the masterand then read the register
status.
࡙ Ǯ˵ʪθʪɇʒ˝˙θͱͱθиθϩ˝ϩͱɇθʪ˝ϑϑϩʪθʀͱϑʪʀЇϩЭʪцࡡɵʪϑЇθʪϩͱϑʪʒɇʀͱɇʒɇϩʪɇϑϩߢߡϑɇ˙ϩʪθϩ˵ʪɇϑϩ
response is received from the Modbus interface module.
Table1.Exampleofsignal flow
Modbus
interface module Indoorunit RemarkBMS
Indoorpoweron
Response: Indoorpoweron IndoorPoweron
Response: Poweron
Indoorpoweroff
Response: Indoorpoweroff Indoorpoweroff
Response: Poweroff
Indoorpoweron
Response: Indoorpoweron Indoorpoweron
Response: Poweron
Indoorpoweron
Response: Indoorpoweron Indoorpoweron
Response: Poweron
Indoorpoweron
Response: Indoorpoweron Indoorpoweron
Response: Poweron

11
English
Installation
CheckingOperation
LEDindication
1 Ǯ˵ʪʀͱЇʀɇϩͱɵʪϩиʪʪϩ˵ʪđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪɇʒɇͱЇϩʒͱͱθЇϩϑΧθͱʀʪʪʒ˝ࡡϩ˵ʪǽࣗŵĘøkU
blinks.
2 When communication betweenthe Modbus interface module and the BMS is proceeding, the RED LED blinks.
YEL
RED
Y-GRN
LED
7-SEGMENTindication
1 Ǯ˵ʪʀͱЇʀɇϩͱиϩ˵ɇʒͱͱθɇʒͱЇϩʒͱͱθЇϩϑϑϑϩͱΧΧʪʒ˙ͱθͱθʪϩ˵ɇߤЇϩʪϑࡡkߧɇʒߢߧʀͱϩЇʪϩͱ
be displayed alternately.
2 Ǯ˵ʪʀͱЇʀɇϩͱиϩ˵ɇϑΧʪʀ˙ʀʒͱͱθЇϩϑϑϩͱΧΧʪʒ˙ͱθͱθʪϩ˵ɇߤЇϩʪϑࡡkߧɇʒߢߦʀͱϩЇʪϩͱɵʪ
displayed alternately.
3 Ǯ˵ʪϩ˵ʪϩθɇʀ˝ϑͱϩʀͱΧʪϩʪʒиϩ˵ߢߡЇϩʪϑɇ˙ϩʪθϩ˵ʪΧͱиʪθϑϩЇθʪʒͱࡡkߧɇʒߡߥʀͱϩЇʪϩͱɵʪ
displayed alternately.
4 Ǯ˵ʪɇkkťŵĮđʪθθͱθͱʀʀЇθϑࡡkߧɇʒߦߥʀͱϩЇʪϩͱɵʪʒϑΧɇцʪʒɇϩʪθɇϩʪцࢋ
5 Ǯ˵ʪɇɇʒʒθʪϑϑʪθθͱθͱʀʀЇθϑࡡkߧɇʒߤߥʀͱϩЇʪϩͱɵʪʒϑΧɇцʪʒɇϩʪθɇϩʪцࢋ
Notesoninterface moduleinstallation
1 kɇʀ˵ʒͱͱθЇϩɇʒʒθʪϑϑЇϑϩɵʪϑʪϩϩͱɇЭɇЇʪ˙θͱߡߡϩͱߥߨࢋ
2 Ɵ˵ʪɇʒʒθʪϑϑͱ˙ϩ˵ʪđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪʀɇɵʪϑʪϩϩͱɇЭɇЇʪ˙θͱߢϩͱߣߥߨࢋ
3 An airconditionerindoorunit and an energy recoveryventilator(ERV) must not be installed onthe same
ʀͱЇʀɇϩͱʪ࣍ߢߣ࣎ࢋ
4 Ɵ˵ʪϑЇΧΧͱθϩʪʒͱʒʪϑɇθʪϩ˵ʪ˙ͱͱи˝Їϩϑϩ˵ɇϩɇʒɇΧϩϩ˵ʪʪиʀͱЇʀɇϩͱϩʪʀ˵ͱͱ˝цͱ˙ƊɇϑЇ˝ࡠUǤđࢥ
CAC indoorunit, hydro kit (low/high temperature), ERV, ERV+, DVM CHILLER, FCU, FCU Kit, and EHS.
5 When the Modbus interface module is used, the upper-level controllers of Samsung cannot be connected.
ͱθʪуɇΧʪࡡϩ˵ʪĮࢥĮ˙˙ʀͱϩθͱʪθϑࡡƟͱЇʀ˵ʀʪϩθɇϑʪʒʀͱϩθͱʪθϑࡡɇʒUđƊʀɇͱϩɵʪЇϑʪʒϩͱ˝ʪϩ˵ʪθиϩ˵ϩ˵ʪ
Modbus interface module.

CheckingOperation
12 English
Installation
SettingtheaddressusingtheDIPandrotaryswitches
࡙ Ɵ˵ʪɇʒʒθʪϑϑͱ˙ϩ˵ʪđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪϑʒʪϩʪθʪʒɵцɇʒʒ˝ɇϩͱϩɇͱ˙ϩ˵ʪЭɇЇʪϑͱ˙ϩ˵ʪUÃťϑиϩʀ˵ʪϑϑʪϩϩͱĮĘ
and thevalue of the rotaryswitch.
kуɇΧʪ࣎ʒʒθʪϑϑߦߨߤߣߢߧߪƊǮߦࢄߢĮĘЭɇЇʪƊǮߦࢄߣĮĘЭɇЇʪƊǮߢ࣍θͱϩɇθцϑиϩʀ˵࣎ЭɇЇʪ
kуɇΧʪ࣎ʒʒθʪϑϑߢߥߨߢߣߩߢߧߤƊǮߥࢄߢĮĘЭɇЇʪƊǮߦࢄߣĮĘЭɇЇʪƊǮߢ࣍θͱϩɇθцϑиϩʀ˵࣎ЭɇЇʪ
࡙ The DIP and rotary switches are set onlyonce when the poweris turned on. If you have changed the DIPorrotaryswitch
settings, be sure to reset the power.
࡙ Ɵ˵ʪɇʒʒθʪϑϑθɇ˝ʪ˙ͱθϩ˵ʪđͱʒɵЇϑϩʪθ˙ɇʀʪͱʒЇʪϑ˙θͱߢϩͱߣߥߨࢋÃ˙ϩ˵ʪɇʒʒθʪϑϑϑͱЇϩͱ˙θɇ˝ʪࡡϩ˵ʪʪθθͱθkߧߤߥͱʀʀЇθϑࢋ
࡙ Set the DIPand rotary switches onlyonce at boot time.
࡙ If you have changed the DIPorrotaryswitch settings, be sure to reset the power.
ƊǮߥ
ĮĘ
Į
ߢߢ
SW5 ƊǮߢ
ߣߣ
No Location Function ON OFF
ߢƊǮߥࣗߢ
Address
setting
ߢߣߩ 0
ߣƊǮߥࣗߣ ߧߥ 0
3ƊǮߦࣗߢ ߤߣ 0
ߥƊǮߦࣗߣ ߢߧ 0
5ƊǮߢ ߡߢߦ࣍࣎
Examplesofaddresssettings
SW4 SW5 SW1 Address (1 to 247)
ߢߣߢߣ 0~F Expression Result
ߢߣߩ ߧߥ ߤߣ ߢߧ ߡߢߦ
0000 00 Ę
0000 ߢߢ ߢ
0000 ߣߣ ߣ
000ߢ3ߢߧߤ ߢߪ
00ߢ0ߥߤߣߥ 36
00ߢߢ 5ߤߣߢߧߦ 53
0ߢ0ߢ3ߧߥߢߧߤ 83
ߢߢ00 Eߢߣߩߧߥߢߥ ߣߡߧ
ߢߢ0ߢFߢߣߩߧߥߢߧߢߦ ߣߣߤ
ߢߢߢߢ Fߢߣߩߧߥߤߣߢߧߢߦ Ę
ߢ0ߢߢ Aߢߣߩߤߣߢߧߢߡ ߢߩߧ
ߢߢߢ0Cߢߣߩߧߥߤߣߢߣ ߣߤߧ
ߢߢߢߢ 7ߢߣߩߧߥߤߣߢߧߨ ߣߥߨ

13
English
Installation
ModbusRegisterTable
Table2. Modbusregistertable
࡙ ÃƸࣄࣅࡠʒʒθʪϑϑЭɇЇʪͱ˙ϩ˵ʪʒͱͱθЇϩ
E.g., calculating the Modbus PDU address when the connected indoorunit address is 3
đͱʒɵЇϑťUƸɇʒʒθʪϑϑͱ˙ʒͱͱθЇϩߤࣄ࣍ߦߡߤࡐߦߡ࣎࣍ߡߥߪ࣎ࣅߣߡߡߣߥߪ
Modbus
PDUaddress Function Signalvalues
Modbusregistertype (R/W) Remarks
Outdoor Indoor HE/HT/
EHS AHUkit ERV ERV+
CHILLER FCU FCUkit
0
Modbus
interface
module
errorstatus
ɵߡࡠʒʒθʪϑϑʪθθͱθ
ɵߢࡠAͱЇʀɇϩͱʪθθͱθ
ͱŵߢࢥŵߣ
ɵߣࡠƟθɇʀ˝ʪθθͱθ
R--------
ߢ
Integrated
outdoorunit
errorcode
ߡࡠĘͱʪθθͱθ
ߢߡߡϩͱߪߪߪࡠkθθͱθʀͱʒʪ
R--------
ߣ
ĮЇϩʒͱͱθ
defrost
operation
ߡͱθߡуࡠUʪ˙θͱϑϩͱ˙˙
Įϩ˵ʪθϑࡠUʪ˙θͱϑϩͱ
R--------
3
Buzzeron/off
ߡࡠƟЇθϑϩ˵ʪɵЇііʪθͱ
ߢࡠƟЇθϑϩ˵ʪɵЇііʪθͱ˙˙
W--------
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
*50)) + 0
Communication
status
ɵߡࡠkуϑϩ
ɵߢࡠƟцΧʪĮç
ɵߣࡠŵʪɇʒц
ɵߤࡠAͱЇʀɇϩͱʪθθͱθ
-RRRRRRRR
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢ
ƸϩϩцΧʪࡠ
[LowerByte]
Model code
²Ƹࡠߪߡϩͱߪߪ
kŵǤࡠߢߡߡϩͱߢߡߣ
kŵǤࡠߢߡߩ
²kࡠߢߢߡ
²Ɵࡠߢߣߡ
k²Ɗࡠߢߢߦϩͱߢߢߨ
đͱʒЇʪA˵ʪθࡠߢߥߡϩͱߢߥߪ
AƸçϩࡠߢߧߡϩͱߢߧߪ
Įϩ˵ʪθϑࡠÃƸ
-RRRRRRRR
Ã˙ϩ˵ʪЇΧΧʪθɵцϩʪϑߢߡࡡ
the FCU is used and the
lowerbyte is ignored.
࢘ƸϩϩцΧʪʪуɇΧʪϑ
(Hex)
Ęͱϩʒʪ˙ʪʒࡠߡу
²kࡠууߧk˵
²Ɵࡠууࡠߨߩ˵
k²Ɗࡠууߨߤ˵
to xx75h
²Ƹࡠууߦ˵
to xx63h
kŵǤࡠууߧߥ˵
to xx65h
kŵǤࡠууߧA˵
A˵ʪθࡠууߩA˵
to xx95h
AƸࡠߡуу˵
AƸçϩࡠууߡ˵
to
xxA9h
Įϩ˵ʪθϑࡠÃƸ
࢘ууࡠUͱ࢒ϩʀɇθʪ
[UpperByte]
Model group
AƸࡠߢߡ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣ
Airconditioner
on/off
ߡࡠĮ˙˙
ߢࡠĮ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
- R/W R/W R/W - R/W R/W R/W R/W

ModbusRegisterTable
14 English
Installation
Modbus
PDUaddress Function Signalvalues
Modbusregistertype (R/W) Remarks
Outdoor Indoor HE/HT/
EHS AHUkit ERV ERV+
CHILLER FCU FCUkit
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
*50)) + 3
Airconditioner
mode
ߡࡠЇϩͱ
ߢࡠAͱͱ
ߣࡠUθц
ߤࡠɇ
ߥࡠ²ʪɇϩ
ߣߢࡠAͱͱƊϩͱθɇ˝ʪ
ߣߥࡠ²ʪɇϩƊϩͱθɇ˝ʪ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
࢘ߣߢɇʒߣߥɇθʪ˙ͱθϩ˵ʪ
DVM CHILLER's only.
- R/W R/W R/W - R/W R/W R/W R/W
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߥ
Indoorfan
speed
ߡࡠЇϩͱ
ߢࡠøͱи
ߣࡠđʒʒʪ
ߤࡠ²˝˵
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
- R/W ----- R/W R/W
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
*50)) + 5
Use of vertical
airflow
direction
ߡࡠĮ˙˙
ߢࡠĮ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
- R/W ----- R/W -
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
*50)) + 6
Filter-cleaning
reminder
ߡࡠϩʪθɇθĘͱϩťθʪϑʪϩ
ߢࡠϩʪθɇθťθʪϑʪϩ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
-R--RR-R-
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
*50)) + 7
Canceling the
filter-cleaning
reminder
ߡࡠĘͱAʪɇθϩʪθɇθ
ߢࡠAʪɇθϩʪθɇθ
-W- -WW-W-
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
*50)) + 8
Set
temperature
AʪϑЇϑЭɇЇʪуߢߡ࣍ࣗߥߢঐ
ϩͱߢߡߡঐ࣎
Aͱͱ˝ࡠߢߩϩͱߤߡঐ
²ʪɇϩ˝ࡠߢߧϩͱߤߡঐ
࢘Ɵ˵ʪĘͱθʒʀͱʒʪϑʀɇ
be controlled at 8 to
ߤߡঐ˙ͱθ˵ʪɇϩ˝ࢋ
- R/W - R/W --- R/W R/W
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
*50)) + 9
Room
temperature
AʪϑЇϑЭɇЇʪуߢߡ
࣍ࣗߥߢঐϩͱߢߡߡঐ࣎
-R-R---RR
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߡ
Discharge
temperature
AʪϑЇϑЭɇЇʪуߢߡ -R-R--- --
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߢ
Cooling
discharge set
temperature
AʪϑЇϑЭɇЇʪуߢߡ
ߩঐϩͱߢߩঐ
࢘²Ƹࡠߩঐϩͱߣߦঐ
- R/W - R/W -----
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߣ
Heating
discharge set
temperature
AʪϑЇϑЭɇЇʪуߢߡ
ߤߡঐϩͱߥߤঐ
࢘²Ƹࡠߢߩঐϩͱߥߤঐ
- R/W - R/W -----
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߤ
Integrated
indoorunit
errorcode
ߡࡠĘͱkθθͱθ
ߢߡߡࣗߪߪߪࡠkθθͱθAͱʒʪ
- R R R RRRRR

15
English
Installation
Modbus
PDUaddress Function Signalvalues
Modbusregistertype (R/W) Remarks
Outdoor Indoor HE/HT/
EHS AHUkit ERV ERV+
CHILLER FCU FCUkit
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߥ
Restrictions
on the
remote
control
[Read]
ߡуߡߡߡߡࡠĘͱŵʪϑϩθʀϩͱ
Įϩ˵ʪθϑࡠŵʪϑϩθʀϩͱ
[Write]
ߡуߡߡߡߡࡠĘͱŵʪϑϩθʀϩͱ
ߡуߧߤߧߤࡠŵʪϑϩθʀϩͱ
- R/W R/W R/W R/W R/W R/W R/W R/W
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߦ
Water-in
temperature
AʪϑЇϑЭɇЇʪуߢߡ --R---R--
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߧ
Water-out
Temperature
AʪϑЇϑЭɇЇʪуߢߡ --R---R--
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߨ
MCCwater-out
temperature
AʪϑЇϑЭɇЇʪуߢߡ ------R--
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߩ
Water-
out set
temperature
AʪϑЇϑЭɇЇʪуߢߡ
²kࡠ
࡙Aͱͱࡠߦঐϩͱߣߦঐ
࡙²ʪɇϩࡠߢߦঐϩͱߦߡঐ
²Ɵࡠ
࡙²ʪɇϩࡠߣߦঐϩͱߩߡঐ
࢘ĘͱAͱͱ˝ͱʒʪ
Hydro HT
k²Ɗࡠ
࡙Aͱͱࡠߦঐϩͱߣߦঐ
࡙²ʪɇϩࡠߢߦঐϩͱߧߦঐ
CHILLER
࡙²ʪɇϩࢥ²ʪɇϩƊϩͱθɇ˝ʪࡠ
ߣߦঐϩͱߦߦঐ
࡙AͱͱࢥAͱͱƊϩͱθɇϩʪࡠ
ࣗߢߡঐϩͱߣߦঐ
-- R/W --- R/W --
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߢߪ
Ventilation
on/off
ߡࡠĮ˙˙
ߢࡠĮ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
---- R/W R/W ---
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߡ
Ventilation
mode
ߡࡠ9цΧɇϑϑ
ߢࡠ²ʪɇϩkу
ߣࡠЇϩͱ
ߧࡠƊʪʪΧ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
---- R/W R/W ---
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߢ
Ventilation
fan speed
ߡࡠƸƟĮ
ߣࡠøͱи
ߤࡠ²˝˵
ߥࡠƟЇθɵͱ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
---- R/W R/W ---

ModbusRegisterTable
16 English
Installation
Modbus
PDUaddress Function Signalvalues
Modbusregistertype (R/W) Remarks
Outdoor Indoor HE/HT/
EHS AHUkit ERV ERV+
CHILLER FCU FCUkit
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߣ
Hotwater
operation
on/off
ߡࡠ²ͱϩǮɇϩʪθĮ˙˙
ߢࡠ²ͱϩǮɇϩʪθĮ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
-- R/W ------
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߤ
Hotwater
mode
ߡࡠkʀͱ
ߢࡠƊϩɇʒɇθʒ
ߣࡠťͱиʪθ
ߤࡠ
Force (forthe EHS only)
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
-- R/W ------
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߥ
Hot
waterset
temperature
AʪϑЇϑЭɇЇʪуߢߡ
²kࡠߤߡঐϩͱߨߦঐ
²Ɵࡠߤߦঐߨߦঐ
k²Ɗࡠߤߡঐϩͱߨߡঐ
-- R/W ------
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߦ
Hotwater
temperature
AʪϑЇϑЭɇЇʪуߢߡ --R------
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߧ
Error
information
collected by
MCC
Errorinformation of slave
chillerunit
kɇʀ˵ɵϩࢄʒʀɇϩʪϑϩ˵ʪ
ʪθθͱθͱʀʀЇθθʪʒЇϩࢄࢋ
࣍9цϩʪߡߡϩͱߨࢄЇϩࡡ9цϩʪߢ
ߩϩͱߢߦࢄЇϩ࣎
------R--
kу࣎ࢄߡࡡࢄߣЇϩ
has error, its
ʪθθͱθʀͱʒʪߣߡߢ
(decimal)
ࡠߡߡߡߦߡߡAߪ࣍˵ʪу࣎
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߨ
Errorinformation of slave
chillerunit
kθθͱθʀͱʒʪͱ˙ϩ˵ʪͱиʪϑϩࢄ
unit among erroroccurred
units.
(=same range as error
ʀͱʒʪʒʪуߡߣߡߣ࣎
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߩ
Quiet
control
ߡࡠƊʪʀʪĮ˙˙
ߢࡠƊʪʀʪĮ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
-- R/W ------
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߣߪ
Away function
ߡࡠĮЇϩ˝Į˙˙
ߢࡠĮЇϩ˝Į
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
- - R/W ------
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
*50)) + 30
Wind-Free
function
ߡࡠĘͱʪ
ߪࡠǮʒθʪʪ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
- R/W-------
࣍ߦߡ࣍ÃƸࣄߡࢋࢋߥߨࣅ
ࡐߦߡ࣎࣎ߤߢ
360 airflow
direction
ƊΧͱϩࡠߢߡߧ
đʒࡠߩߦ
Ǯʒʪࡠߧߥ
Ɗи˝ࡠߢߦ
Įϩ˵ʪθϑࡠÃʒЭʒЇɇʀͱϩθͱ
- R/W - - - - - R/W -

17
English
Installation
AddingNewModbusRegister
Addingoutdoorunitfunctions
1 ƟͱɇʒʒͱЇϩʒͱͱθЇϩ˙ЇʀϩͱϑࡡЇϑʪʀͱɇʒߢߧ࣍ǮθϩʪЇϩΧʪ˵ͱʒ˝θʪ˝ϑϩʪθϑ࣎ϩͱϑʪαЇʪϩɇциθϩʪϩ˵ʪ
corresponding MessageSet IDs, starting from address 6000. Functions that have been written are registered
ϑʪαЇʪϩɇцࡡϑϩɇθϩ˝˙θͱđͱʒɵЇϑťUƸɇʒʒθʪϑϑߥࢋ
2 When thewriting is completed, the addedfunctions become available foruse in the orderof registration.
ͱθʪуɇΧʪࡡ˙цͱЇЇϑʪʀͱɇʒߢߧϩͱиθϩʪđʪϑϑɇ˝ʪƊʪϩÃUࣨߡуߩߣߤߩࣩ࣍ʀͱΧθʪϑϑͱθߢͱΧʪθɇϩ˝˙θʪαЇʪʀц࣎ϩͱɇʒʒθʪϑϑ
ߧߡߡߡɇʒđʪϑϑɇ˝ʪƊʪϩÃUࣨߡуߩߣߡߥࣩ࣍ͱЇϩϑʒʪϩʪΧʪθɇϩЇθʪ࣎ϩͱɇʒʒθʪϑϑߧߡߡߢɇʒϩ˵ʪθʪɇʒࢥиθϩʪđͱʒɵЇϑťUƸ
ɇʒʒθʪϑϑʪϑߥɇʒߦࡡϩ˵ʪʀͱΧθʪϑϑͱθߢͱΧʪθɇϩ˝˙θʪαЇʪʀцɇʒͱЇϩϑʒʪϩʪΧʪθɇϩЇθʪʪϑϑɇ˝ʪϑɇθʪϑʪϩϩͱϩ˵ʪͱЇϩʒͱͱθ
unit.
Addingindoorunit,HE/HT/EHS,AHUKit,ERV,ERV+,Chiller,FCUand/orFCUKit
functions
1 ƟͱɇʒʒʒͱͱθЇϩ˙ЇʀϩͱϑࡡЇϑʪʀͱɇʒߢߧ࣍ǮθϩʪЇϩΧʪ˵ͱʒ˝θʪ˝ϑϩʪθϑ࣎ϩͱϑʪαЇʪϩɇциθϩʪϩ˵ʪ
corresponding MessageSet IDs, starting from address 7000. Functions that have beenwritten are registered
ϑʪαЇʪϩɇцࡡϑϩɇθϩ˝˙θͱđͱʒɵЇϑťUƸɇʒʒθʪϑϑࣨ࣍ߦߡ࣍ÃUƸࣄߡࢋࢋߥߨࣅࡐߦߡ࣎࣎ߤߣࣩࢋ
2 When thewriting is completed, the addedfunctions become available foruse in the orderof registration.
ͱθʪуɇΧʪࡡ˙цͱЇЇϑʪʀͱɇʒߢߧϩͱиθϩʪđʪϑϑɇ˝ʪƊʪϩÃUࣨߡуߥߡߩߨࣩ࣍U²Ǯ˵ʪɇϩʪθͱࢥͱ˙˙࣎ϩͱɇʒʒθʪϑϑߨߡߡߡɇʒ
đʪϑϑɇ˝ʪƊʪϩÃUࣨߡуߥߡߥߤࣩ࣍ɇθΧЇθ˙ʀɇϩͱ࣎ϩͱɇʒʒθʪϑϑߨߡߡߢࡡϩ˵ʪʪи˙Їʀϩͱϑɇθʪɇʒʒʪʒࢋ
Ã˙ʒͱͱθЇϩϑиϩ˵ɇʒʒθʪϑϑʪϑߡ࣍²k࣎ࡡߢɇʒߣ࣍ɇθΧЇθ˙ц˝ʒͱͱθЇϩϑ࣎ɇθʪʀͱʪʀϩʪʒɇʒцͱЇиɇϩϩͱЇϑʪϩ˵ʪ
ʪицɇʒʒʪʒ˙Їʀϩͱϑࡡϑʪʒϩ˵ʪŵʪɇʒࢥǮθϩʪʀͱɇʒ˙ͱθߡ࣍²k࣎ϩͱɇʒʒθʪϑϑߩߣࣄ࣍ߦߡߡࡐߦߡ࣎ߤߣࣅɇʒ˙ͱθߢɇʒߣ࣍ɇθ
ΧЇθ˙ц˝ʒͱͱθЇϩϑ࣎ϩͱɇʒʒθʪϑϑʪϑߢߤߤࣄ࣍ߦߡߢࡐߦߡ࣎ߤߤࣅɇʒߢߩߤࣄ࣍ߦߡߣࡐߦߡ࣎ߤߤࣅࢋƟ˵ʪʀͱɇʒϑϑʪϩϩͱϩ˵ʪʒͱͱθ
units.
NOTE
࡙ Ã˙ϩ˵ʪθʪɇθʪЇϩΧʪ˙Їʀϩͱϑϩͱɇʒʒࡡϩ˵ʪцЇϑϩɵʪиθϩϩʪɇɇϩͱʀʪЇϑ˝ʀͱɇʒߢߧ࣍ǮθϩʪЇϩΧʪ˵ͱʒ˝
registers).

AddingNewModbusRegister
18 English
Installation
Table3.NewModbusregistertable
࡙ Sequentiallyadd the functions you want to use, starting from address 6000 (outdoorunit) or7000 (indoorunit).
Function Signalvalues
MessageSet
ID
Modbusregistertype (R/W) Remarks
Outdoor Indoor
HE/HT/
EHS AHU kit ERV ERV+ CHILLER FCU FCU kit
ĮΧʪθɇϩ˝
frequencyof
ʀͱΧθʪϑϑͱθߢ
Current operating
frequencyof
ʀͱΧθʪϑϑͱθߢ
(0 to 000Hz)
ߡуߩߣߤߩ R-------- -
ĮΧʪθɇϩ˝
frequencyof
ʀͱΧθʪϑϑͱθߣ
Current operating
frequencyof
ʀͱΧθʪϑϑͱθߣ
(0 to 000Hz)
ߡуߩߣߨߧ R--------
ĮЇϩʒͱͱθϩʪΧ
ĮЇϩʒͱͱθϩɇʪɇθ
temperature sensor
AʪϑЇϑЭɇЇʪуߢߡ
࣍ࣗߥߢ
ঐ ϩͱߢߡߡ ঐ )
ߡуߩߣߡߥ R--------
Purify ߡࡠĮ˙˙ ߢࡠĮ
Įϩ˵ʪθϑࡠÃ˝ͱθʪʒ
ߡуߥߡߥߤ R/W
DHWHeater
ĮࢥĮ˙˙
ߡࡠU²Ǯ²ʪɇϩʪθ
ͱΧʪθɇϩͱĮ˙˙
ߢࡠU²Ǯ²ʪɇϩʪθ
ͱΧʪθɇϩͱĮ
ߡуߥߡߩߨ -R------ -
Compressor
frequency
limitation
(FR control)
FR control
ߢࢋ9цϩʪߢ
࡙ ߡࡠŵʀͱϩθͱͱϩЇϑʪʒ
࡙ ߢࡠŵʀͱϩθͱЇϑʪʒ
ߣࢋ9цϩʪߡ
࡙ Frequencyratio
࣍ߦߡࣗߢߦߡ࣎
ߡуߥߣߢ -R/W--- - --
࡙Įцϩɇࣗ
integrated hydro
units
3Wayvalve
orientation
(DHW/space-
heating)
ߡࡠߤǮɇцЭɇЭʪΧͱϑϩͱʪʒ
toward the room
ߢࡠߤǮɇцЭɇЭʪΧͱϑϩͱʪʒ
toward the tank
ߡуߥߡߧߨ -R------ -

19
English
Installation
Memo

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